Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/OpenGLCompositor.cpp @ 617:7efa2543699d
simplification
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 02 May 2019 18:21:59 +0200 |
| parents | 6129b1e5ba42 |
| children | 266e2b0b9abc |
| rev | line source |
|---|---|
| 594 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
| 6 * | |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "OpenGLCompositor.h" | |
| 23 | |
| 24 #include "Internals/OpenGLAdvancedPolylineRenderer.h" | |
| 25 #include "Internals/OpenGLBasicPolylineRenderer.h" | |
| 26 #include "Internals/OpenGLColorTextureRenderer.h" | |
| 27 #include "Internals/OpenGLFloatTextureRenderer.h" | |
| 28 #include "Internals/OpenGLInfoPanelRenderer.h" | |
| 29 #include "Internals/OpenGLTextRenderer.h" | |
| 30 | |
| 31 namespace OrthancStone | |
| 32 { | |
| 33 class OpenGLCompositor::Font : public boost::noncopyable | |
| 34 { | |
| 35 private: | |
| 36 std::auto_ptr<GlyphTextureAlphabet> alphabet_; | |
| 37 std::auto_ptr<OpenGL::OpenGLTexture> texture_; | |
| 38 | |
| 39 public: | |
| 40 Font(const GlyphBitmapAlphabet& dict) | |
| 41 { | |
| 42 alphabet_.reset(new GlyphTextureAlphabet(dict)); | |
| 43 texture_.reset(new OpenGL::OpenGLTexture); | |
| 44 | |
| 45 std::auto_ptr<Orthanc::ImageAccessor> bitmap(alphabet_->ReleaseTexture()); | |
| 46 texture_->Load(*bitmap, true /* enable linear interpolation */); | |
| 47 } | |
| 48 | |
| 49 OpenGL::OpenGLTexture& GetTexture() const | |
| 50 { | |
| 51 assert(texture_.get() != NULL); | |
| 52 return *texture_; | |
| 53 } | |
| 54 | |
| 55 const GlyphTextureAlphabet& GetAlphabet() const | |
| 56 { | |
| 57 assert(alphabet_.get() != NULL); | |
| 58 return *alphabet_; | |
| 59 } | |
| 60 }; | |
| 61 | |
| 62 | |
| 63 const OpenGLCompositor::Font* OpenGLCompositor::GetFont(size_t fontIndex) const | |
| 64 { | |
| 65 Fonts::const_iterator found = fonts_.find(fontIndex); | |
| 66 | |
| 67 if (found == fonts_.end()) | |
| 68 { | |
| 69 return NULL; // Unknown font, nothing should be drawn | |
| 70 } | |
| 71 else | |
| 72 { | |
| 73 assert(found->second != NULL); | |
| 74 return found->second; | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 | |
| 79 Internals::CompositorHelper::ILayerRenderer* OpenGLCompositor::Create(const ISceneLayer& layer) | |
| 80 { | |
| 81 switch (layer.GetType()) | |
| 82 { | |
| 83 case ISceneLayer::Type_InfoPanel: | |
| 84 return new Internals::OpenGLInfoPanelRenderer | |
| 85 (context_, colorTextureProgram_, dynamic_cast<const InfoPanelSceneLayer&>(layer)); | |
| 86 | |
| 87 case ISceneLayer::Type_ColorTexture: | |
| 88 return new Internals::OpenGLColorTextureRenderer | |
| 89 (context_, colorTextureProgram_, dynamic_cast<const ColorTextureSceneLayer&>(layer)); | |
| 90 | |
| 91 case ISceneLayer::Type_FloatTexture: | |
| 92 return new Internals::OpenGLFloatTextureRenderer | |
| 93 (context_, floatTextureProgram_, dynamic_cast<const FloatTextureSceneLayer&>(layer)); | |
| 94 | |
| 95 case ISceneLayer::Type_Polyline: | |
| 96 return new Internals::OpenGLAdvancedPolylineRenderer | |
| 97 (context_, linesProgram_, dynamic_cast<const PolylineSceneLayer&>(layer)); | |
| 98 //return new Internals::OpenGLBasicPolylineRenderer(context_, dynamic_cast<const PolylineSceneLayer&>(layer)); | |
| 99 | |
| 100 case ISceneLayer::Type_Text: | |
| 101 { | |
| 102 const TextSceneLayer& l = dynamic_cast<const TextSceneLayer&>(layer); | |
| 103 const Font* font = GetFont(l.GetFontIndex()); | |
| 104 if (font == NULL) | |
| 105 { | |
| 106 return NULL; | |
| 107 } | |
| 108 else | |
| 109 { | |
| 110 return new Internals::OpenGLTextRenderer | |
| 111 (context_, textProgram_, font->GetAlphabet(), font->GetTexture(), l); | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 default: | |
| 116 return NULL; | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 | |
| 121 OpenGLCompositor::OpenGLCompositor(OpenGL::IOpenGLContext& context, | |
|
600
6129b1e5ba42
BasicScene SDL sample
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
598
diff
changeset
|
122 const Scene2D& scene) : |
| 594 | 123 context_(context), |
| 124 helper_(scene, *this), | |
| 125 colorTextureProgram_(context), | |
| 126 floatTextureProgram_(context), | |
| 127 linesProgram_(context), | |
| 128 textProgram_(context), | |
| 129 canvasWidth_(0), | |
| 130 canvasHeight_(0) | |
| 131 { | |
| 132 UpdateSize(); | |
| 133 } | |
| 134 | |
| 135 | |
| 136 OpenGLCompositor::~OpenGLCompositor() | |
| 137 { | |
| 138 for (Fonts::iterator it = fonts_.begin(); it != fonts_.end(); ++it) | |
| 139 { | |
| 140 assert(it->second != NULL); | |
| 141 delete it->second; | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 | |
| 146 void OpenGLCompositor::UpdateSize() | |
| 147 { | |
| 148 canvasWidth_ = context_.GetCanvasWidth(); | |
| 149 canvasHeight_ = context_.GetCanvasHeight(); | |
| 150 | |
| 151 context_.MakeCurrent(); | |
| 152 glViewport(0, 0, canvasWidth_, canvasHeight_); | |
| 153 } | |
| 154 | |
| 155 | |
| 156 void OpenGLCompositor::Refresh() | |
| 157 { | |
| 158 context_.MakeCurrent(); | |
| 159 | |
| 160 glClearColor(0, 0, 0, 1); | |
| 161 glClear(GL_COLOR_BUFFER_BIT); | |
| 162 | |
| 163 helper_.Refresh(canvasWidth_, canvasHeight_); | |
| 164 | |
| 165 context_.SwapBuffer(); | |
| 166 } | |
| 167 | |
| 168 | |
| 169 void OpenGLCompositor::SetFont(size_t index, | |
| 170 const GlyphBitmapAlphabet& dict) | |
| 171 { | |
| 172 std::auto_ptr<Font> font(new Font(dict)); | |
| 173 | |
| 174 Fonts::iterator found = fonts_.find(index); | |
| 175 | |
| 176 if (found == fonts_.end()) | |
| 177 { | |
| 178 fonts_[index] = font.release(); | |
| 179 } | |
| 180 else | |
| 181 { | |
| 182 assert(found->second != NULL); | |
| 183 delete found->second; | |
| 184 | |
| 185 found->second = font.release(); | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 | |
| 190 #if ORTHANC_ENABLE_LOCALE == 1 | |
| 191 void OpenGLCompositor::SetFont(size_t index, | |
| 192 Orthanc::EmbeddedResources::FileResourceId resource, | |
| 193 unsigned int fontSize, | |
| 194 Orthanc::Encoding codepage) | |
| 195 { | |
| 196 FontRenderer renderer; | |
| 598 | 197 renderer.LoadFont(resource, fontSize); |
| 594 | 198 |
| 199 GlyphBitmapAlphabet dict; | |
| 200 dict.LoadCodepage(renderer, codepage); | |
| 201 | |
| 202 SetFont(index, dict); | |
| 203 } | |
| 204 #endif | |
| 617 | 205 |
| 206 | |
| 207 ScenePoint2D OpenGLCompositor::GetPixelCenterCoordinates(int x, int y) const | |
| 208 { | |
| 209 return ScenePoint2D( | |
| 210 static_cast<double>(x) + 0.5 - static_cast<double>(canvasWidth_) / 2.0, | |
| 211 static_cast<double>(y) + 0.5 - static_cast<double>(canvasHeight_) / 2.0); | |
| 212 } | |
| 594 | 213 } |